WO2022111260A1 - Procédé de filtrage de musique, appareil, dispositif et support - Google Patents

Procédé de filtrage de musique, appareil, dispositif et support Download PDF

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Publication number
WO2022111260A1
WO2022111260A1 PCT/CN2021/129233 CN2021129233W WO2022111260A1 WO 2022111260 A1 WO2022111260 A1 WO 2022111260A1 CN 2021129233 W CN2021129233 W CN 2021129233W WO 2022111260 A1 WO2022111260 A1 WO 2022111260A1
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music
attribute
dimension
coordinate system
dimensional coordinate
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PCT/CN2021/129233
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English (en)
Chinese (zh)
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何珂
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腾讯科技（深圳）有限公司
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Publication of WO2022111260A1 publication Critical patent/WO2022111260A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/60—Information retrieval; Database structures therefor; File system structures therefor of audio data
    • G06F16/63—Querying
    • G06F16/638—Presentation of query results

Definitions

  • the present application relates to the field of Internet technologies, and in particular, to a music screening method, apparatus, device and medium.
  • the screening function in the application program usually requires the user to input a keyword of the target music in the screening column, thereby screening out some candidate music sets, and the user selects the target music from the candidate music set.
  • music screening using the above method often requires the user to provide more detailed key information, which cannot meet the user's requirements for a specific attribute of the target music, resulting in the screening results failing to meet the user's fuzzy preferences and fuzzy needs.
  • the embodiments of the present application provide a music screening method, device, device and medium, which can realize fuzzy screening of music through triggering operations on a two-dimensional coordinate system.
  • the technical solution at least includes the following technical solutions:
  • a music screening method comprising:
  • the music screening interface is displayed, and a two-dimensional coordinate system is displayed on the music screening interface.
  • the first dimension of the two-dimensional coordinate system corresponds to the first music attribute
  • the second dimension of the two-dimensional coordinate system corresponds to the second music attribute
  • the first music attribute corresponds to the first music attribute.
  • Two musical attributes are different musical attributes;
  • the filtered target music is displayed, the first music attribute of the target music corresponds to the coordinates of the trigger position in the first dimension, and the second music attribute of the target music corresponds to the coordinates of the trigger position in the second dimension.
  • a music screening device comprising:
  • the display module is used to display the music screening interface.
  • a two-dimensional coordinate system is displayed on the music screening interface.
  • the first dimension of the two-dimensional coordinate system corresponds to the first music attribute
  • the second dimension of the two-dimensional coordinate system corresponds to the second music attribute.
  • the first musical attribute and the second musical attribute are different musical attributes;
  • an acquisition module used for acquiring the triggering position of the triggering operation in response to the triggering operation on the two-dimensional coordinate system
  • the display module is also used to display the selected target music, the first music attribute of the target music corresponds to the coordinates of the trigger position in the first dimension, and the second music attribute of the target music corresponds to the coordinates of the trigger position in the second dimension .
  • a computer device includes a processor and a memory, the memory stores at least one piece of program code, the program code is loaded by the processor and executes the above music screening method.
  • a computer-readable storage medium is provided, and at least one piece of program code is stored in the computer-readable storage medium, and the program code is loaded and executed by a processor to implement the above music screening method.
  • a computer program product or computer program comprising computer instructions stored in a computer-readable storage medium.
  • the processor of the computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions to cause the computer device to perform the music screening method as above.
  • FIG. 1 is a schematic diagram of an interface change of a music screening method provided by an exemplary embodiment of the present application
  • FIG. 2 is a block diagram of a computer system provided by an exemplary embodiment of the present application.
  • FIG. 3 is a flowchart of a music screening method provided by an exemplary embodiment of the present application.
  • FIG. 4a is a schematic interface diagram of a music screening interface provided by an exemplary embodiment of the present application.
  • 4b is a schematic interface diagram of a music screening interface provided by another exemplary embodiment of the present application.
  • FIG. 5 is a schematic interface diagram of a music screening interface provided by another exemplary embodiment of the present application.
  • FIG. 6 is a flowchart of a music screening method provided by an exemplary embodiment of the present application.
  • Fig. 7 is a flow chart of steps of melody localization provided by an exemplary embodiment of the present application.
  • FIG. 8 is a technical flow chart of a music screening method provided by an exemplary embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a music screening apparatus provided by an exemplary embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a computer device provided by an exemplary embodiment of the present application.
  • Music screening interface refers to the program interface presented to the user for performing music screening and/or displaying results.
  • Two-dimensional coordinate system refers to a coordinate system formed by two number axes with a common origin on the same plane, usually with two dimensions.
  • Musical attributes The sounds produced by musical instruments through percussion, friction, blowing, etc. and/or human voices form music.
  • Music attributes refer to the special properties of the formed music, mainly involving two aspects, namely the melody characteristics of the music and the type of musical instruments used in the music.
  • Attribute tag refers to the classification tag marked after classifying music according to the aforementioned music attributes.
  • a piece of music has at least one attribute tag of a music attribute, and the number of attribute tags of one music attribute of a piece of music is not limited.
  • a piece of music has attribute tags of two types of music attributes: tempo and instrument type, and the instrument type attribute has attribute tags of three instrument types: pipa, guzheng and xiao.
  • the embodiment of the present application provides a music screening method, which displays the screened target music through a trigger operation on a two-dimensional coordinate system, reduces the time and steps for the user to perform music screening, and allows the user to perform music screening according to vague requirements possibility to enhance the user experience.
  • a two-dimensional coordinate system 111 is displayed on the music screening interface 110 .
  • the two-dimensional coordinate system 111 is a rectangular coordinate system, and the target music is displayed in response to a trigger operation on the two-dimensional coordinate system 111 .
  • a search bar control and a two-dimensional coordinate system 111 are displayed on the music screening interface 110 .
  • the user can perform an input operation in the search bar control, and implement music filtering by inputting key information; or, the user can perform music filtering by clicking on the two-dimensional coordinate system 111 .
  • the two-dimensional coordinate system 111 as an example of a rectangular coordinate system
  • the user double-clicks on a certain coordinate point in the rectangular coordinate system
  • the program interface jumps from the music screening interface 110 to the music playing interface 120 .
  • a song "Song A" is displayed on the music playing interface 120, and the song is in a playing state. That is, after the user performs a double-click operation on the Cartesian coordinate system, the target music is directly played.
  • the selected target music is determined through human-computer interaction between the user and the terminal.
  • the user needs to use a screening tool to determine the desired music through operations performed on the screening tool, and the terminal displays the target music according to the user's operation.
  • the embodiment of the present application provides an interactive solution for music screening based on a two-dimensional coordinate system. Through a user's triggering operation on the two-dimensional coordinate system, the screened target music is displayed, which can meet the user's fuzzy screening requirements.
  • FIG. 2 shows a block diagram of a computer system provided by an exemplary embodiment of the present application.
  • the computer system 200 includes a server 210 , a terminal 220 , a cloud database 230 and a local database 240 .
  • the server 210 may be a server, or a server cluster composed of several servers, or a virtualization platform, or a cloud computing service center.
  • the server 210 may be a server that provides background support for music applications, and the server 120 may be composed of one or more functional units.
  • a plurality of terminals 220 are connected to the server 210 through a wireless or wired network.
  • a music application program is installed and running on the terminal 220, and the application program has the function of supporting music screening.
  • the application program may be a music player program, a video player program, a radio player program or other music application programs.
  • the terminal 220 may be at least one of a computer, a smart phone, a tablet computer, an e-book reader, an MP3 player, an MP4 player, a laptop computer, a desktop computer, a smart TV, a smart car, and a smart device.
  • the cloud database 230 and the local database 240 are connected to the server 210 through a wireless or wired network, and are used to store music-related data, such as music title, music duration, music performer information, types of music attributes, and attribute tags of each music.
  • the music screening method provided by the embodiment of the present application provides the convenience of fuzzy query for the user to perform music screening.
  • the schematic flowchart shown in Figure 3, the execution subject of the method is a computer device, for example, a terminal running a music application program, such as the terminal 220 in Figure 2, the method includes the following steps:
  • Step 302 Display the music screening interface.
  • a two-dimensional coordinate system is displayed on the music screening interface, the first dimension of the two-dimensional coordinate system corresponds to the first music attribute, and the second dimension of the two-dimensional coordinate system corresponds to the second music attribute.
  • the first music attribute and the second music attribute are different music attributes.
  • Music screening interface refers to the program interface for music screening and/or result display.
  • the music screening interface may be at least one of a screening function interface, a search function interface, a query function interface, and an identification function interface.
  • at least a two-dimensional coordinate system is displayed in the music screening interface, and the two-dimensional coordinate system is used for the user to perform operations related to music screening.
  • at least one of a search bar control, a query bar control, and an audio recognition control may also be displayed in the music screening interface.
  • a search bar control is also displayed, and input operations can be performed on the search bar control. That is, the music filtering performed by the user in the music filtering interface 110 may be on the two-dimensional coordinate system 111 or on the search bar control.
  • a two-dimensional coordinate system refers to a coordinate system formed by two number axes with a common origin on the same plane, usually with two dimensions.
  • the two-dimensional coordinate system involved in the embodiments of the present application includes at least one of a polar coordinate system and a rectangular coordinate system.
  • Polar coordinate system refers to a coordinate system composed of poles, polar axes and polar diameters in a plane, including radial and azimuth dimensions.
  • a point O is determined on the plane, which is called a pole; a ray Ox is drawn from the pole O, which is called a polar axis; and a unit length OP is determined, which is called a polar diameter.
  • the specification is bounded by the polar axis, taking the counterclockwise direction as positive.
  • the position of any point in the plane can be determined by the length ⁇ of the line segment OP, the angle ⁇ between the polar axis Ox and the line segment OP, and the pair of ordered numbers ( ⁇ , ⁇ ) is called the polar coordinate of the point P, and ⁇ is P
  • the radius coordinate of the point, ⁇ is the azimuth coordinate of the point P.
  • a two-dimensional coordinate system 411 is displayed in the music screening interface 410, and the two-dimensional coordinate system 411 is a polar coordinate system.
  • the two-dimensional coordinate system 411 is a polar coordinate system.
  • a Cartesian coordinate system refers to a coordinate composed of two number axes that are perpendicular to each other and have a common origin in a plane, including the x-axis dimension and the y-axis dimension.
  • the plane of the rectangular coordinate system is called the coordinate plane
  • the common origin is called the origin of the rectangular coordinate system
  • the two axes are called the x-axis and the y-axis.
  • the x-axis and the y-axis divide the coordinate plane into four quadrants, and the quadrants are bounded by the number axis.
  • the counterclockwise direction from the upper right quadrant is the first quadrant, the second quadrant, the third quadrant and the fourth quadrant.
  • a two-dimensional coordinate system 511 is displayed on the music screening interface 510 , and the two-dimensional coordinate system 511 is a rectangular coordinate system.
  • the two-dimensional coordinate system 511 is a rectangular coordinate system.
  • the Cartesian coordinates are marked (-2, 1).
  • part of the content of the two-dimensional coordinate system may be hidden in the music screening interface.
  • the two-dimensional coordinate system includes at least one of a first dimension axis, a second dimension axis, an origin, a first dimension unit, a second dimension unit, a plurality of quadrant regions, grid lines, and circular lines.
  • part of the content of the two-dimensional coordinate system can be hidden according to the user's needs.
  • a two-dimensional coordinate system is displayed in the music screening interface, and the two-dimensional coordinate system is a polar coordinate system.
  • the polar coordinate system includes an orientation dimension number axis, an origin, a radius dimension unit, and an orientation dimension unit.
  • the radius dimension unit only displays “slow rhythm” and "fast rhythm”
  • the azimuth dimension unit displays "scale one", “scale two", “scale three”, “scale four", “scale five", “scale six” and "Scale Seven”. That is, the circular line and part of the radius dimension unit of the polar coordinate system are hidden in the music filter interface.
  • a two-dimensional coordinate system is displayed in the music screening interface.
  • the two-dimensional coordinate system is a rectangular coordinate system.
  • the rectangular coordinate system includes the x-axis number axis, the y-axis number axis, the origin, and the x-axis dimension units "fast rhythm” and "normal rhythm”.
  • y-axis dimension units "Treble” and "Midrange”, first quadrant area. That is, the grid lines of the rectangular coordinate system, part of the x-axis dimension units, the y-axis dimension units, the second quadrant area, the third quadrant area, and the fourth quadrant area are hidden in the music screening interface.
  • Music is formed by the sounds produced by musical instruments and/or human voices through percussion, friction, blowing, etc.
  • the music involved in the embodiments of the present application includes, but is not limited to, at least one of the following: songs, playlists, audio, video, and radio.
  • the characteristics related to the musical melody include but are not limited to at least one of tempo, scale, dynamics, speed, musical form, pitch, timbre, and range.
  • the beat refers to the combination rule of upbeat and downbeat, and specifically refers to the total length of notes in each measure in the score.
  • Scale refers to the mode form formed by arranging the tones in steps from the beginning of the tonic to the end of the tonic in music. The mode can be understood as the melody of the music.
  • Velocity refers to the strength of the sound in the music.
  • Tempo refers to how fast or slow the music goes.
  • Form refers to the horizontal organization of music.
  • Pitch refers to the high or low frequency of a sound.
  • Timbre refers to the single or mixed use of vocals and instruments in music.
  • the vocal range is the range from the lowest to the highest notes that a human voice and/or instrument can reach.
  • keyboard instruments can be divided into piano, pipe organ, accordion, electronic organ, etc.
  • plucked instruments can be divided into pipa, zheng, dulcimer, lyre, donbula, liuqin, ruan, etc.
  • the specific types of musical instruments the above are only illustrative examples, which can be adjusted according to actual needs, which are not limited in this application.
  • the music attributes involved in the embodiments of the present application include:
  • the two-dimensional coordinate system includes two dimensions, namely the first dimension and the second dimension.
  • the first dimension corresponds to the first music attribute
  • the second dimension corresponds to the second music attribute
  • the first music attribute and the second music attribute are different music attributes.
  • the first dimension corresponds to the tempo attribute
  • the second dimension corresponds to the pitch attribute
  • the first dimension corresponds to the instrument type of the plucked instrument
  • the second dimension corresponds to the instrument type of the keyboard instrument
  • the first dimension corresponds to the scale attribute
  • the second dimension corresponds to the musical instrument type of the keyboard instrument.
  • the second dimension corresponds to the percussion instrument type.
  • a two-dimensional coordinate system 411 is displayed on the music screening interface 410, and the two-dimensional coordinate system 411 is a polar coordinate system.
  • the radius dimension of polar coordinates corresponds to the beat attribute
  • the azimuth dimension corresponds to the scale attribute.
  • a two-dimensional coordinate system 511 is displayed on the music screening interface 510 , and the two-dimensional coordinate system 511 is a rectangular coordinate system.
  • the x-axis dimension of the rectangular coordinate system corresponds to the beat attribute
  • the y-axis dimension corresponds to the vocal range attribute.
  • other dimension-related elements may also be displayed in the two-dimensional coordinate system, for example, auxiliary information of the dimension is displayed below the first dimension and/or the second dimension.
  • the two-dimensional coordinate system 511 is a rectangular coordinate system
  • the x-axis dimension units "slow tempo” and “fast tempo” are displayed in the cartesian coordinate system
  • the y-axis dimension units "bass” and "" high pitch are displayed in the cartesian coordinate system
  • four instrument names are displayed under the above four dimensional units to help users understand the dimensional units. For example, "violin” displayed under the x-axis dimension unit "slow tempo” is used to prompt the user that the beat of the slow tempo is similar to the melody played by a violin.
  • Step 304 In response to the triggering operation on the two-dimensional coordinate system, obtain the triggering position of the triggering operation.
  • the trigger operation on the two-dimensional coordinate system includes, but is not limited to, at least one of the following operations: a sliding operation, a touch operation, a single-click operation, and a double-click operation within the scope of the two-dimensional coordinate system.
  • the trigger position of the trigger operation refers to the detailed coordinates of the trigger operation on the two-dimensional coordinate system.
  • the terminal can obtain the trigger position of the user's trigger operation on the touch screen.
  • the touch chip obtains the touch event, and reports the touch event to the processor of the terminal, and the processor obtains the trigger position according to the reported touch event.
  • touch events include a Touch Start event, a Touch Move event, and a Touch End event.
  • the Touch Start event is used to indicate the touch coordinates of the finger on the touch screen
  • the Touch Move event is used to indicate the continuous touch coordinates when the finger continuously slides on the touch screen
  • the Touch End event is used to indicate the touch coordinates of the finger leaving the touch screen.
  • the above-mentioned touch coordinates are acquired by the touch sensor according to the touch position of the user on the touch screen.
  • the two-dimensional coordinate system 411 is a polar coordinate system.
  • the radius dimension of polar coordinates is the beat dimension
  • the azimuth dimension is the scale dimension.
  • the sliding button 412 is displayed on the polar coordinate system
  • the trigger position refers to the coordinates of the sliding button 412 on the polar coordinate system.
  • the sliding button 412 can be slid within the range of the two-dimensional coordinate system 411, and the sliding button 412 is a mark used to determine the specific position of the trigger operation, and may not be displayed in the two-dimensional coordinate system 411.
  • the trigger position of the click operation at the sliding button 412 is obtained as (radius coordinates, azimuth coordinates).
  • the rhythm dimension it is divided into five beat levels: slow rhythm, sub-slow rhythm, normal rhythm, sub-fast rhythm, and fast rhythm.
  • the obtained coordinates of the trigger position are (general rhythm, scale four).
  • the two-dimensional coordinate system includes at least one of a polar coordinate system and a rectangular coordinate system.
  • step 304 may adopt at least one of the following two optional manners:
  • the two-dimensional coordinate system is a polar coordinate system.
  • Step 304 may include:
  • the radius coordinates are determined as the coordinates of the trigger position in the first dimension, and the azimuth coordinates are determined as the coordinates of the trigger position in the second dimension.
  • the two-dimensional coordinate system 411 is a polar coordinate.
  • the first dimension is the radius dimension
  • the second dimension is the orientation dimension
  • the position of the sliding button 412 is the trigger position of the trigger operation.
  • the radius dimension corresponds to the beat attribute
  • the orientation dimension corresponds to the scale attribute.
  • the rhythm dimension it is divided into five beat levels: slow rhythm, sub-slow rhythm, normal rhythm, sub-fast rhythm, and fast rhythm.
  • the radius coordinate of the position where the sliding button 412 is obtained is the general rhythm
  • the azimuth coordinate is the scale four
  • the general rhythm is determined as the sliding button 412 is located in the radius
  • the scale four is determined as the coordinates of the position of the sliding button 412 in the azimuth dimension.
  • the two-dimensional coordinate system is a rectangular coordinate system.
  • Step 304 may include:
  • the x-axis coordinates are determined as the coordinates of the trigger position in the first dimension, and the y-axis coordinates are determined as the coordinates of the trigger position in the second dimension.
  • the two-dimensional coordinate system 511 is a rectangular coordinate.
  • the first dimension is the x-axis dimension
  • the second dimension is the y-axis dimension
  • the position of the sliding button 512 is the trigger position of the trigger operation.
  • the x-axis dimension corresponds to the beat dimension
  • the y-axis dimension corresponds to the vocal range dimension.
  • the rhythm dimension it is divided into 9 beat levels of -4-level rhythm, -3-level rhythm, -2-level rhythm, -1-level rhythm, 0-level rhythm, 1-level rhythm, 2-level rhythm, 3-level rhythm and 4-level rhythm.
  • the sound range dimension is divided into 9 ranges of 4-level range, -3-level range, -2-level range, -1-level range, 0-level range, 1-level range, 2-level range, 3-level range and 4-level range.
  • the x-axis coordinate of the position of the sliding button 512 is obtained as the -2-level rhythm
  • the y-axis coordinate is the 1-level sound range
  • the -2-level rhythm is determined as the position of the sliding button 512 at x
  • the 1-level sound range is determined as the coordinate of the position of the sliding button 512 in the y-axis dimension.
  • Step 306 Display the filtered target music.
  • the first music attribute of the target music corresponds to the coordinates of the trigger position in the first dimension
  • the second music attribute of the target music corresponds to the coordinates of the trigger position in the second dimension
  • the target music refers to music selected by the terminal after screening and having an attribute label corresponding to the coordinates of the trigger position in the two-dimensional coordinate system.
  • the target music may be one or more.
  • they can be expressed in the form of playlists, radio stations, lists, and the like.
  • the program interface to which the target music belongs is a music screening interface or a second program interface
  • the second program interface and the music screening interface are different interfaces.
  • the second program interface is a music playing interface, or other functional interfaces.
  • a target song and a target song list are displayed, wherein the target songs include “song 1" and “song 2”, and the target song list is displayed.
  • the program interface to which the target song and the target playlist belong is the music screening interface 410.
  • the music screening interface may display information related to some candidate music.
  • the music screening interface may display information related to some candidate music.
  • a list item of candidate music is displayed around the position where the sliding button 412 is located, and the list item includes "song 1" and "song 2". , "Playlist 1" and "Playlist 2"; in addition, the user can also expand the list item by triggering "", for example, click "" to expand the list item.
  • a triggering operation on the polar coordinate system in the music screening interface 410 such as a double-click operation
  • a music playing control is displayed at the bottom of the music screening interface 410, and song 1 is played at the same time.
  • step 306 includes the following steps:
  • the first music whose first music attribute has the first attribute tag and the second music attribute has the second attribute tag is filtered out in the music library.
  • the first attribute tag and the second attribute tag are different attribute tags.
  • the attribute label refers to a classification label that is labeled after classifying each music according to the music attribute.
  • a piece of music has at least one attribute tag of a music attribute, and the number of attribute tags of a piece of music attribute of a piece of music is not limited.
  • music 1 has four attribute tags: slow rhythm, scale 2, scale 3, guzheng, and pipa.
  • Slow rhythm belongs to the attribute tag of beat attribute
  • scale 2 and scale 3 belong to the attribute tag of scale attribute
  • guzheng and pipa belong to the musical instrument type.
  • the property label for the type of instrument played in the properties is not limited.
  • the music library refers to a database for storing music-related information, and the music library includes at least one candidate music.
  • the terminal finally determines the selected target music by screening music in the music library.
  • the music library may be stored in the local database, or in the cloud database, or in both the local database and the cloud database. For example, after the terminal first filters the music library 1 in the local database, the target music is not found; then, the terminal finds the target music after filtering the music library 2 in the cloud database.
  • the trigger position corresponds to a coordinate point in the two-dimensional coordinate system, and attribute labels of two different music attributes corresponding to the coordinate point can be obtained. That is, the first attribute label is obtained according to the coordinates of the trigger position in the first dimension, and the second attribute label is obtained according to the coordinates of the trigger position in the second dimension.
  • the terminal can filter out at least one target music in the music library, and display the target music.
  • the terminal filters out the first music in the music library, the first music attribute of the first music has the first attribute tag, and the second music attribute has the second music attribute. attribute label.
  • the two-dimensional coordinate system 511 is a rectangular coordinate system
  • the position where the user performs the trigger operation on the rectangular coordinate system is the position where the sliding button 512 is located.
  • the trigger position of the trigger operation is obtained as (-2-level beat, 1-level sound range).
  • the first attribute label of the trigger position is -2-level beat
  • the second attribute label is 1-level sound range.
  • the terminal filters the music library and finds that the song "Song A” has attribute tags of "-2-level beat", “scale three", “1-level range”, “piano”, and “guzheng”. ” is determined as the target song, and jumps from the music screening interface 510 to the music playing interface 520 to display the song “Song A”.
  • step 306 further includes the following steps:
  • the second music is filtered out as the target music in the music library, wherein the attribute label of the first music attribute of the second music has the closest distance to the first attribute label, and the second music
  • the second music attribute has the second attribute label; or, filter out the third music in the music library as the target music, wherein the first music attribute of the third music has the first attribute tag, the attribute tag of the second music attribute of the third music has the closest distance to the second attribute tag; or, the fourth music is filtered out as the target music in the music library, wherein the The distance between the attribute label of the first music attribute of the fourth music and the first attribute label is the closest, and the distance between the attribute label of the second music attribute of the fourth music and the second attribute label is the closest .
  • the distance between the attribute label of the first music attribute and the first attribute label refers to the distance between the attribute label of the first music attribute of the second music and the first attribute label.
  • the definitions of the rest of the distances are similar, and are not repeated here.
  • the first dimension and the second dimension determined according to the first music attribute and the second music attribute constitute a two-dimensional coordinate system, and there is at least one coordinate point in the two-dimensional coordinate system corresponding to one candidate music.
  • the distance may be determined by the distance between mathematical coordinate points in the two-dimensional coordinate system, or determined according to other preset distance comparison rules.
  • the coordinates of the trigger position are (1, 2), and the coordinates of the candidate music are (3, 5), then the first attribute label is 1, and the second attribute label is 2.
  • the distance between the first music attribute of the candidate music and the first attribute label is 2, and the distance between the second music attribute and the second attribute label is 3.
  • the coordinates of the trigger position are (fast rhythm, scale 5), and the coordinates of the candidate music are (fast rhythm, scale 1), then the first attribute label is fast rhythm, and the second attribute label is scale.
  • the first music attribute of the candidate music has a first attribute label, and the distance between the second music attribute and the second attribute label is four scales.
  • the music screening method provided by the embodiments of the present application can display the target music selected by triggering operations on the two-dimensional coordinate system, realize the fuzzy screening of music, and reduce the cost of music screening for users. It takes time and energy to make the selected target music meet the user's fuzzy screening needs.
  • an embodiment of the present application provides a method for tagging an attribute tag of candidate music in a music library, and a method for generating a two-dimensional coordinate system.
  • the execution body of the method is a computer device, for example, a terminal running a music application program, such as the terminal 220 in FIG. 2 , the method includes the following steps:
  • Step 601 Mark the attribute tags of each candidate music in the music library according to the music attributes.
  • music attributes mainly involve two aspects.
  • it relates to the characteristics of music melody, including but not limited to at least one of beat, scale, dynamics, speed, musical form, pitch, timbre, and range;
  • it relates to the types of musical instruments used in music, including but not limited to playing At least one of musical instruments, plucked instruments, percussion instruments, drawn string instruments, string instruments, woodwind instruments, brass instruments, and keyboard instruments.
  • the music attributes involved in the embodiments of the present application include:
  • the attribute label refers to the classification mark marked after classifying each music according to the music attribute.
  • a piece of music has at least one attribute tag of a music attribute, and the number of attribute tags of one music attribute of a piece of music is not limited.
  • the music library includes at least one candidate music.
  • the terminal matches the first attribute tag and the second attribute tag obtained according to the trigger position with the attribute tags of the candidate music in the music library. Therefore, it is necessary to classify the attribute labels for each music attribute of each candidate music in the music library.
  • melody localization technology can be used as the basis for marking attribute labels, and according to the audio waveform information of candidate music, the method of frequency measurement is used to extract the melody based on the pitch saliency, and obtain the relevant music attributes. information.
  • the execution body of the melody recognition technology is a computer device, for example, a terminal running a music application program, such as the terminal 220 in FIG. 2 , including the following steps:
  • Step 701 Preprocess the input music content.
  • Step 702 Perform time-frequency transformation and spectral processing on the preprocessed music content.
  • Step 703 Perform calculation through the pitch saliency function.
  • Step 704 Track the pitch.
  • Step 705 Melody positioning.
  • the preprocessed music content is converted into frequency information, and then the frequency information is calculated by the pitch saliency function, and the frequency information is calculated as different pitches, and different pitches are tracked. , and finally realize the melody positioning.
  • the basis for marking attribute labels may also be other classification methods and/or techniques, such as simple weighting methods.
  • step 601 includes:
  • the beat label of the marked candidate music is one of five beats and the like.
  • the five beat levels include slow tempo, sub-slow tempo, normal tempo, sub-fast tempo, and fast tempo.
  • the beat features are divided into five types: weak, sub-weak, average, sub-strong, and strong, respectively corresponding to five beat levels of slow, sub-slow, normal, sub-fast, and fast.
  • the beat label of the candidate music is marked as slow tempo; or, in the case that the beat feature of the candidate music conforms to the sub-weak beat type, the beat label of the candidate music is marked as the second slow tempo Rhythm; or, in the case that the beat feature of the candidate music conforms to the general beat type, mark the beat label of the candidate music as a general beat; or, in the case that the beat feature of the candidate music conforms to the sub-strong beat type, mark the beat of the candidate music
  • the label is sub-fast tempo; or, in the case that the beat feature of the candidate music conforms to the strong beat type, the beat label of the candidate music is marked as fast tempo.
  • the classification of beat levels can also be performed according to the combination rule of upbeats and downbeats.
  • the beat characteristics can be divided into 1/4, 2/4, 3/4, 4/4, 3/8, 6/8, 7/8, 9/8, 12/8
  • step 601 includes:
  • the scale labels that mark the candidate music are at least one of seven scale levels according to the number of occurrences of the notes in the candidate music.
  • the seven scale levels include scale one, scale two, scale three, scale four, scale five, scale six, and scale seven.
  • the notes include seven notes of 1 note, 2 note, 3 note, 4 note, 5 note, 6 note, and 7 note, respectively corresponding to scale 1, scale 2, scale 3, scale 4, scale 5, scale 6 , the seven scale levels of the seventh scale.
  • the scale label of the candidate music is marked as scale one; or, in the case where the number of occurrences of 2 notes in the candidate music is the most, the scale label of the candidate music is marked as scale Two; or, in the case where the number of occurrences of the 3-note in the candidate music is the most, mark the scale label of the candidate music as scale three; or, in the case where the number of occurrences of the 4-note in the candidate music is the most, mark the The scale label is scale four; or, in the case of the most frequent occurrences of the 5-note in the candidate music, the scale label of the marked candidate music is scale five; or, in the case of the largest number of occurrences of the 6-note in the candidate music, The scale label of the marked candidate music is scale six; or, in the case where the number of occurrences of the 7-note in the candidate music is the most, the scale label of the marked candidate music is scale seven.
  • the attribute label of the candidate music is marked corresponding to the first note and the second note.
  • the number of occurrences of the 3rd note, the 4th note and the 5th note in the candidate music is the same, and they are all larger than the remaining notes, and the scale labels marking the candidate music are scales three, four and five.
  • step 601 includes:
  • the pitch labels of the candidate music are labeled as one of seven pitch levels.
  • the seven tone levels include very low frequency, low frequency, low mid frequency, mid frequency, high mid frequency, high frequency, and very high frequency.
  • Tone is primarily determined by the frequency of the sound, and is therefore affected by the type of instrument and the combined frequency of the vocal.
  • the pitch label of the candidate music is marked as the extremely low frequency; or, in the case that the music frequency of the candidate music belongs to the low frequency, the candidate music is marked.
  • the pitch label of the candidate music is low frequency; or, in the case that the music frequency of the candidate music belongs to the middle and low frequency, the pitch label of the candidate music is marked as the middle and low frequency; or, in the case that the music frequency of the candidate music belongs to the middle frequency, the pitch of the candidate music is marked
  • the label is medium frequency; or, in the case that the music frequency of the candidate music belongs to the middle and high frequency, the pitch label of the candidate music is marked as medium and high frequency; or, in the case that the music frequency of the candidate music belongs to the high frequency, the pitch label of the candidate music is marked is high frequency; or, in the case that the music frequency of the candidate music belongs to the extremely high frequency, the pitch tag of the candidate music is marked as the extremely high frequency.
  • step 601 includes:
  • the musical instrument type label of the candidate music is marked as the first musical instrument.
  • the musical instruments that appear in a candidate music are piano, accordion, lute, guitar, snare drum, flute, and oboe, and their durations are 35 seconds, 22 seconds, 35 seconds, 27 seconds, 12 seconds, 19 seconds, and 26 seconds, respectively. . Since the appearance duration of both piano and pipa is 35 seconds, which is longer than the appearance duration of the remaining musical instruments, the instrument type labels of the candidate music are marked as piano and pipa.
  • Step 602 Display a selection function interface.
  • At least two dimension strings are displayed on the selection function interface, and the dimension strings are generated according to music attributes.
  • the dimension string is used to generate a two-dimensional coordinate system, which is achieved by triggering operations on the dimension string.
  • the first dimension of the two-dimensional coordinates corresponds to the first musical attribute
  • the second dimension corresponds to the second musical attribute. Therefore, the number of dimension strings is not less than the number of musical attributes, and at least includes two characters corresponding to the musical attributes. string.
  • the dimension string includes the string “beat”, the string “scale”, the string “pitch”, the string “form”, the string “percussion”, the string “keyboard”, the string “wind instrument” ".
  • Step 603 In response to the selection operation on the dimension string, generate a two-dimensional coordinate system.
  • the selection operation on the dimension string includes, but is not limited to, at least one of the following operations: a single-click operation, a double-click operation, and a drag operation performed on the dimension string.
  • step 603 at least includes the following steps:
  • a radius dimension is generated; in response to the second selection operation on the second dimension string, an orientation dimension is generated; according to the radius dimension and the orientation dimension, a polar coordinate system is generated;
  • the first dimension string is the string “beat” and the second dimension string is the string “scale”. Click the string “beat” to generate the radius dimension, and click the string “scale” to generate the azimuth dimension, thus generating the polar coordinate system.
  • the first dimension string is the string "percussion instrument”
  • the second dimension string is the string "sound range”. Double-click the string "percussion” to generate the x-axis dimension, and double-click the string "range” to generate the y-axis dimension, thereby generating a Cartesian coordinate system.
  • the first-dimensional character string is the character string "Music”
  • the second-dimensional character string is the character string "tone”. Drag the string "pitch” to the specified position to generate the radius dimension, and drag the string "curve” to the specified position to generate the azimuth coordinates, thereby generating the polar coordinate system.
  • Step 604 Display the music screening interface.
  • a two-dimensional coordinate system is displayed on the music screening interface, the first dimension of the two-dimensional coordinate system corresponds to the first music attribute, and the second dimension of the two-dimensional coordinate system corresponds to the second music attribute.
  • the first music attribute and the second music attribute are different music attributes.
  • Step 605 In response to the triggering operation on the two-dimensional coordinate system, obtain the triggering position of the triggering operation.
  • the trigger operation on the two-dimensional coordinate system includes, but is not limited to, at least one of the following operations: a sliding operation, a touch operation, a single-click operation, and a double-click operation within the scope of the two-dimensional coordinate system.
  • Step 606 Display the filtered target music.
  • the first music attribute of the target music corresponds to the coordinates of the trigger position in the first dimension
  • the second music attribute of the target music corresponds to the coordinates of the trigger position in the second dimension
  • Step 604, step 605 and step 606 are the same as step 302, step 304 and step 306, which can be used for reference and will not be repeated here.
  • an embodiment of the present application provides a technical flow chart of a music screening method, and the specific steps are as follows:
  • Step 801 The server performs song recording.
  • the server classifies the music attributes of each candidate music in the music library, marks the attribute labels of each candidate music, and records the marked songs.
  • the server uploads the classified resources to the cloud database for subsequent re-classification, multiple screening and data invocation; on the other hand, it saves the attribute label data in the local database so that the terminal can call it at any time.
  • Step 802 The terminal generates a two-dimensional coordinate system.
  • Step 803 The terminal sends the relevant information of the first dimension and the second dimension to the server.
  • Step 804 The server performs two-dimensional coordinate system analysis.
  • the user selects two dimension strings according to their own needs to generate the first dimension and the second dimension respectively, and the terminal generates a two-dimensional coordinate system according to the first dimension and the second dimension .
  • the server receives the first dimension and the second dimension in the two-dimensional coordinate system sent by the terminal, and analyzes the two-dimensional coordinate system.
  • the server calls the data in the music library according to the first dimension and the second dimension, and the music library is stored in the cloud database and/or the local database.
  • the server imports the candidate music that conforms to the first dimension and the second dimension into the two-dimensional coordinate system, ensuring that there is at least one coordinate point corresponding to one candidate music in the two-dimensional coordinate system.
  • Step 805 The terminal performs a triggering operation on the two-dimensional coordinate system.
  • Step 806 The terminal sends the coordinates of the trigger position to the server.
  • the terminal In response to the triggering operation performed on the two-dimensional coordinate system, the terminal obtains the triggering position of the triggering operation, and sends the coordinates of the triggering position to the server, that is, the coordinates and the coordinates of the first dimension of the triggering position on the two-dimensional coordinate system are sent to the server.
  • the coordinates of the second dimension are sent to the server.
  • Step 807 The server performs music screening.
  • Step 808 The server sends the filtered target music to the terminal.
  • Step 809 The terminal displays the target music.
  • the music screening starts.
  • the server searches the music library according to the coordinates of the trigger position, and after searching for the first candidate music, determines whether the first music attribute of the first candidate music matches the coordinates of the trigger position in the first dimension, and whether the second music attribute matches the coordinate of the trigger position in the first dimension. Whether the coordinates of the trigger position in the second dimension match. If it does not match, then expand the search to the surrounding within the range of the two-dimensional coordinate system with the coordinates of the trigger position as the center.
  • the server After the server searches for matching candidate music, that is, the target music is found, the server sends the filtered target music to the terminal, and the terminal displays the target music.
  • the music screening method provided by the embodiment of the present application by marking the attribute tags of candidate music, subdivides the music attributes of each candidate music into classification, so that the basis for music screening is more accurate, and the music is reduced. filtering granularity.
  • the music screening method provided by the embodiment of the present application by providing a dimension string, enables the user to select the dimension of the two-dimensional coordinate system according to his own needs, that is, the user can blur specific music attributes according to his own needs. Screening satisfies the user's use needs and enhances the user's use experience to a certain extent.
  • the present application provides a music screening apparatus, which can be implemented as all or a part of a terminal through software, hardware or a combination of the two.
  • the music screening apparatus includes: a marking module 920 , a displaying module 940 , a generating module 960 and an obtaining module 980 .
  • the marking module 920 is used for marking the attribute tags of each candidate music in the music library according to the music attributes.
  • the display module 940 is configured to display a selection function interface, where at least two dimension strings are displayed on the selection function interface, and the dimension strings are generated according to music attributes.
  • the generating module 960 is configured to generate a two-dimensional coordinate system in response to a selection operation on the dimension string.
  • the display module 940 is also used to display a music screening interface, where a two-dimensional coordinate system is displayed on the music screening interface, the first dimension of the two-dimensional coordinate system corresponds to the first music attribute, and the second dimension of the two-dimensional coordinate system corresponds to the second Music attributes, the first music attribute and the second music attribute are different music attributes.
  • the obtaining module 980 is configured to obtain the triggering position of the triggering operation in response to the triggering operation on the two-dimensional coordinate system.
  • the display module 940 is also used to display the filtered target music, the first music attribute of the target music corresponds to the coordinates of the trigger position in the first dimension, and the second music attribute of the target music corresponds to the coordinates of the trigger position in the second dimension correspond.
  • the two-dimensional coordinate system is a polar coordinate system
  • the obtaining module 980 is further configured to: in response to a trigger operation on the polar coordinate system, obtain the radius coordinates of the trigger position and Azimuth coordinates; determine the radius coordinates as the coordinates of the trigger position in the first dimension, and determine the azimuth coordinates as the coordinates of the trigger position in the second dimension.
  • the two-dimensional coordinate system is a rectangular coordinate system
  • the obtaining module 980 is further configured to: in response to a trigger operation on the rectangular coordinate system, obtain the x-axis coordinate of the trigger position and the y-axis coordinate; the x-axis coordinate is determined as the coordinate of the trigger position in the first dimension, and the y-axis coordinate is determined as the coordinate of the trigger position in the second dimension.
  • the display module 940 is further configured to: determine the first attribute label according to the coordinates of the trigger position in the first dimension; determine the first attribute label according to the coordinates of the trigger position in the second dimension Two attribute tags; filter out the first music with the first attribute tag and the second attribute tag in the music library, as the target music, the first attribute tag and the second attribute tag are different property label.
  • the display module 940 is further configured to: in the case where the first music does not exist, filter out the second music in the music library as the target music , wherein the attribute tag of the first music attribute of the second music has the closest distance to the first attribute tag, and the second music attribute of the second music has the second attribute tag.
  • the display module 940 is further configured to: in the case where the first music does not exist, filter out a third music in the music library as the target music , wherein the first music attribute of the third music has the first attribute tag, and the second music attribute of the third music has the attribute tag that is closest to the second attribute tag.
  • the display module 940 is further configured to: filter out a fourth music from the music library as the target music when the first music does not exist , wherein the attribute label of the first music attribute of the fourth music is the closest to the first attribute label, and the attribute label of the second music attribute of the fourth music is the same as the second music attribute.
  • the property label is the closest.
  • the music attributes include at least two of tempo, scale, velocity, speed, musical form, pitch, timbre, and range; or, at least two of musical instrument types; or, beat , at least one of scale, velocity, speed, musical form, pitch, timbre, range, and at least one of instrument type.
  • the music attribute includes tempo
  • the marking module 920 is further configured to: mark the tempo label of the candidate music as one of five tempo levels according to the tempo feature of the candidate music
  • the five beat levels include one of slow tempo, sub-slow tempo, normal tempo, sub-fast tempo, and fast tempo.
  • the music attributes include scales
  • the marking module 920 is further configured to: mark the scale labels of the candidate music as seven scale levels according to the number of occurrences of notes in the candidate music At least one of the seven scale levels includes at least one of scale one, scale two, scale three, scale four, scale five, scale six, and scale seven.
  • the music attribute includes a musical instrument type
  • the marking module 920 is further configured to: determine the musical instrument appearing in the candidate music and the appearance duration of the musical instrument; the first musical instrument in the candidate music In the case where the appearance duration of the musical instrument is greater than the appearance duration of the remaining musical instruments, the instrument type tag of the marked candidate music is the first musical instrument.
  • the music attribute includes a musical instrument type
  • the marking module 920 is further configured to: determine the musical instrument appearing in the candidate music and the appearance duration of the musical instrument; the first musical instrument in the candidate music When the appearance duration of the musical instrument and the second musical instrument are the same, and the appearance durations of the first musical instrument and the second musical instrument are both longer than the occurrence durations of the remaining musical instruments, the musical instrument type label of the marked candidate music is the first musical instrument and the second musical instrument.
  • the generating module 960 is further configured to: in response to the first selection operation on the first dimension string, generate the radius dimension; in response to the first selection operation on the second dimension string The second selection operation generates the azimuth dimension; according to the radius dimension and the azimuth dimension, the polar coordinate system is generated.
  • the generating module 960 is further configured to: generate the x-axis dimension in response to the first selection operation on the first dimension string;
  • the second selection operation generates a y-axis dimension, and generates a Cartesian coordinate system according to the x-axis dimension and the y-axis dimension.
  • FIG. 10 shows a structural block diagram of the computer device 1000 provided by an exemplary embodiment of the present application.
  • the computer device 1000 can be a portable mobile terminal, such as: a smart phone, a tablet computer, an MP3 player (Moving Picture Experts Group Audio Layer III, a moving picture expert compression standard audio layer 3), MP4 (Moving Picture Experts Group Audio Layer IV, Motion Picture Expert Compression Standard Audio Layer 4) Player.
  • the computer device 1000 may also be referred to by other names such as user equipment, portable terminal, and the like.
  • computer device 1000 includes: processor 1001 and memory 1002 .
  • the processor 1001 may include one or more processing cores, such as a 4-core processor, an 8-core processor, and the like.
  • the processor 1001 can use at least one hardware form among DSP (Digital Signal Processing, digital signal processing), FPGA (Field-Programmable Gate Array, field programmable gate array), PLA (Programmable Logic Array, programmable logic array) accomplish.
  • the processor 1001 may also include a main processor and a coprocessor.
  • the main processor is a processor used to process data in the wake-up state, also called CPU (Central Processing Unit, central processing unit); the coprocessor is A low-power processor for processing data in a standby state.
  • the processor 1001 may be integrated with a GPU (Graphics Processing Unit, image processor), and the GPU is used for rendering and drawing the content that needs to be displayed on the display screen.
  • the processor 1001 may further include an AI (Artificial Intelligence, artificial intelligence) processor, where the AI processor is used to process computing operations related to machine learning.
  • AI Artificial Intelligence, artificial intelligence
  • Memory 1002 may include one or more computer-readable storage media, which may be tangible and non-transitory. Memory 1002 may also include high-speed random access memory, as well as non-volatile memory, such as one or more disk storage devices, flash storage devices. In some embodiments, a non-transitory computer-readable storage medium in memory 1002 is used to store at least one instruction for execution by processor 1001 to implement the method of generating an album video provided in this application .
  • the computer device 1000 may further include: a peripheral device interface 1003 and at least one peripheral device.
  • the peripheral device includes: at least one of a radio frequency circuit 1004 , a touch display screen 1005 , a camera assembly 1006 , an audio circuit 1007 , a positioning assembly 1008 and a power supply 1009 .
  • the peripheral device interface 1003 may be used to connect at least one peripheral device related to I/O (Input/Output) to the processor 1001 and the memory 1002 .
  • processor 1001, memory 1002, and peripherals interface 1003 are integrated on the same chip or circuit board; in some other embodiments, any one of processor 1001, memory 1002, and peripherals interface 1003 or The two can be implemented on a separate chip or circuit board, which is not limited in this embodiment.
  • the radio frequency circuit 1004 is used for receiving and transmitting RF (Radio Frequency, radio frequency) signals, also called electromagnetic signals.
  • the radio frequency circuit 1004 communicates with the communication network and other communication devices through electromagnetic signals.
  • the radio frequency circuit 1004 converts electrical signals into electromagnetic signals for transmission, or converts received electromagnetic signals into electrical signals.
  • the radio frequency circuit 1004 includes an antenna system, an RF transceiver, one or more amplifiers, a tuner, an oscillator, a digital signal processor, a codec chipset, a subscriber identity module card, and the like.
  • the radio frequency circuit 1004 may communicate with other terminals through at least one wireless communication protocol.
  • the wireless communication protocol includes but is not limited to: World Wide Web, Metropolitan Area Network, Intranet, various generations of mobile communication networks (2G, or 3G, or 4G, or 5G, or their combination), wireless local area network and/or WiFi (Wireless Fidelity , Wi-Fi) network.
  • the radio frequency circuit 1004 may further include a circuit related to NFC (Near Field Communication, short-range wireless communication), which is not limited in this application.
  • the touch screen 1005 is used to display UI (User Interface, user interface).
  • the UI can include graphics, text, icons, video, and any combination thereof.
  • the touch display 1005 also has the ability to acquire touch signals on or over the surface of the touch display 1005 .
  • the touch signal can be input to the processor 1001 as a control signal for processing.
  • the touch screen 1005 is used to provide virtual buttons and/or a virtual keyboard, also referred to as soft buttons and/or soft keyboard.
  • there may be one touch display screen 1005 which is provided on the front panel of the computer device 1000 ; in other embodiments, there may be at least two touch display screens 1005 , which are respectively provided on different surfaces or surfaces of the computer device 1000 .
  • touch display 1005 may be a flexible display disposed on a curved or folded surface of computer device 1000 . Even, the touch display screen 1005 can also be set as a non-rectangular irregular figure, that is, a special-shaped screen.
  • the touch display screen 1005 can be made of materials such as LCD (Liquid Crystal Display, liquid crystal display), OLED (Organic Light-Emitting Diode, organic light emitting diode).
  • the camera assembly 1006 is used to capture images or video.
  • the camera assembly 1006 includes a front camera and a rear camera.
  • the front camera is used for video calls or selfies
  • the rear camera is used for photo or video shooting.
  • there are at least two rear cameras which are any one of a main camera, a depth-of-field camera, and a wide-angle camera, so as to realize the fusion of the main camera and the depth-of-field camera to realize the background blur function, and the fusion of the main camera and the wide-angle camera Realize panoramic shooting and VR (Virtual Reality, virtual reality) shooting functions.
  • the camera assembly 1006 may also include a flash.
  • the flash can be a single color temperature flash or a dual color temperature flash. Dual color temperature flash refers to the combination of warm light flash and cold light flash, which can be used for light compensation under different color temperatures.
  • Audio circuitry 1007 is used to provide an audio interface between the user and computer device 1000 .
  • Audio circuitry 1007 may include a microphone and speakers.
  • the microphone is used to collect the sound waves of the user and the environment, convert the sound waves into electrical signals, and input them to the processor 1001 for processing, or to the radio frequency circuit 1004 to realize voice communication.
  • the microphone may also be an array microphone or an omnidirectional collection microphone.
  • the speaker is used to convert the electrical signal from the processor 1001 or the radio frequency circuit 1004 into sound waves.
  • the loudspeaker can be a traditional thin-film loudspeaker or a piezoelectric ceramic loudspeaker.
  • the speaker When the speaker is a piezoelectric ceramic speaker, it can not only convert electrical signals into sound waves audible to humans, but also convert electrical signals into sound waves inaudible to humans for distance measurement and other purposes.
  • the audio circuit 1007 may also include a headphone jack.
  • the positioning component 1008 is used to locate the current geographic location of the computer device 1000 to implement navigation or LBS (Location Based Service).
  • the positioning component 1008 may be a positioning component based on the GPS (Global Positioning System, global positioning system) of the United States, the Beidou system of China or the Galileo system of Russia.
  • Power supply 1009 is used to power various components in computer device 1000 .
  • the power source 1009 may be alternating current, direct current, disposable batteries or rechargeable batteries.
  • the rechargeable battery may be a wired rechargeable battery or a wireless rechargeable battery. Wired rechargeable batteries are batteries that are charged through wired lines, and wireless rechargeable batteries are batteries that are charged through wireless coils.
  • the rechargeable battery can also be used to support fast charging technology.
  • the computer device 1000 also includes one or more sensors 1010 .
  • the one or more sensors 1010 include, but are not limited to, an acceleration sensor 1011 , a gyro sensor 1012 , a pressure sensor 1013 , a fingerprint sensor 1014 , an optical sensor 1015 and a proximity sensor 1016 .
  • the acceleration sensor 1011 can detect the magnitude of acceleration on the three coordinate axes of the coordinate system established by the computer device 1000 .
  • the acceleration sensor 1011 can be used to detect the components of the gravitational acceleration on the three coordinate axes.
  • the processor 1001 can control the touch display screen 1005 to display the user interface in a landscape view or a portrait view according to the gravitational acceleration signal collected by the acceleration sensor 1011 .
  • the acceleration sensor 1011 can also be used for game or user movement data collection.
  • the gyroscope sensor 1012 can detect the body direction and rotation angle of the computer device 1000 , and the gyroscope sensor 1012 can cooperate with the acceleration sensor 1011 to collect the 3D actions of the user on the computer device 1000 .
  • the processor 1001 can implement the following functions according to the data collected by the gyro sensor 1012 : motion sensing (such as changing the UI according to the user's tilt operation), image stabilization during shooting, game control, and inertial navigation.
  • the pressure sensor 1013 may be disposed on the side frame of the computer device 1000 and/or on the lower layer of the touch display screen 1005 .
  • the pressure sensor 1013 can detect the user's holding signal of the computer device 1000, and perform left and right hand identification or shortcut operations according to the holding signal.
  • the operability controls on the UI interface can be controlled according to the user's pressure operation on the touch display screen 1005.
  • the operability controls include at least one of button controls, scroll bar controls, icon controls, and menu controls.
  • the fingerprint sensor 1014 is used to collect the user's fingerprint to identify the user's identity according to the collected fingerprint.
  • the processor 1001 authorizes the user to perform relevant sensitive operations, including unlocking the screen, viewing encrypted information, downloading software, making payments, and changing settings.
  • Fingerprint sensor 1014 may be provided on the front, back, or side of computer device 1000 .
  • the fingerprint sensor 1014 can be integrated with the physical buttons or the manufacturer's logo.
  • the optical sensor 1015 is used to collect ambient light intensity.
  • the processor 1001 may control the display brightness of the touch display screen 1005 according to the ambient light intensity collected by the optical sensor 1015 . Specifically, when the ambient light intensity is high, the display brightness of the touch display screen 1005 is increased; when the ambient light intensity is low, the display brightness of the touch display screen 1005 is decreased.
  • the processor 1001 may also dynamically adjust the shooting parameters of the camera assembly 1006 according to the ambient light intensity collected by the optical sensor 1015 .
  • Proximity sensor 1016 also referred to as a distance sensor, is typically provided on the front of computer device 1000 .
  • Proximity sensor 1016 is used to collect the distance between the user and the front of computer device 1000 .
  • the processor 1001 controls the touch display screen 1005 to switch from the bright screen state to the off screen state; when the proximity sensor 1016 When it is detected that the distance between the user and the front face of the computer device 1000 gradually increases, the processor 1001 controls the touch display screen 1005 to switch from the off-screen state to the bright-screen state.
  • FIG. 10 does not constitute a limitation on the computer device 1000, and may include more or less components than the one shown, or combine some components, or adopt different component arrangements.
  • the present application also provides a computer device, the computer device includes a processor and a memory, the memory stores at least one piece of program code, the program code is loaded and executed by the processor to implement the music screening method provided by the above method embodiments .
  • the present application also provides a computer-readable storage medium, where at least one piece of program code is stored in the storage medium, and the program code is loaded and executed by a processor to implement the music screening method provided by the above method embodiments.
  • references herein to "a plurality” means two or more.
  • "And/or" which describes the association relationship of the associated objects, means that there can be three kinds of relationships, for example, A and/or B, which can mean that A exists alone, A and B exist at the same time, and B exists alone.
  • the character “/” generally indicates that the associated objects are an "or" relationship.

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Abstract

La présente divulgation concerne un procédé de filtrage de musique, un appareil, un dispositif et un support qui se rapportent au domaine technique de l'Internet. Le procédé consiste à : afficher une interface de filtrage de musique, un système de coordonnées bidimensionnel étant affiché sur l'interface de filtrage de musique (302), la première dimension du système de coordonnées bidimensionnel correspondant à un premier attribut musical, la seconde dimension du système de coordonnées bidimensionnel correspondant à un second attribut musical, le premier attribut musical et le second attribut musical étant des attributs musicaux différents ; en réponse à une opération de déclenchement sur le système de coordonnées bidimensionnel, obtenir une position de déclenchement de l'opération de déclenchement (304) ; afficher de la musique cible filtrée, le premier attribut musical de la musique cible correspondant aux coordonnées de la position de déclenchement dans la première dimension et le second attribut musical de la musique cible correspondant aux coordonnées de la position de déclenchement dans la seconde dimension (306).
PCT/CN2021/129233 2020-11-26 2021-11-08 Procédé de filtrage de musique, appareil, dispositif et support WO2022111260A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011343928.1A CN113515209B (zh) 2020-11-26 2020-11-26 音乐筛选方法、装置、设备及介质
CN202011343928.1 2020-11-26

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